menadione

noun
men·​a·​di·​one | \ ˌme-nə-ˈdī-ˌōn, -dī-ˈ\

Definition of menadione 

: a yellow crystalline compound C11H8O2 with the biological activity of natural vitamin K

First Known Use of menadione

1941, in the meaning defined above

History and Etymology for menadione

methyl + napthalene + di- + ketone

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Dictionary Entries near menadione

menace

menacing

menad

menadione

Menadonese

ménage

ménage à trois

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The first known use of menadione was in 1941

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menadione

noun
men·​a·​di·​one | \ ˌmen-ə-ˈdī-ˌōn, -dī-ˈ \

Medical Definition of menadione 

: a yellow crystalline compound C11H8O2 with the biological activity of natural vitamin K

called also vitamin K3

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